[PATCH] Move nss_compat from nis to nss subdir and install it unconditionally.

[Andreas Schwab]

On Okt 04 2017, Zack Weinberg <zackw@panix.com> wrote:

> It now occurs to me that another test might be a good idea: configure
> a system with at least one local non-root user and also at least one
> +user or +@netgroup line in /etc/passwd, and "passwd: compat" in
> /etc/nsswitch.conf, but *don't* install libnss_nis or any NIS
> configuration; then make sure that all of the local users can log in
> even though libnss_nis is unavailable (that is, _compat only tries to
> use _nis if it doesn't find a local match for the query),

Check.

> that the users included from NIS *cannot* log in (fail closed),

Check.

> and that the failure to log in produces an error message that will
> point the sysadmin at least vaguely in the right direction.

This requires more work because __nss_lookup_function doesn't
distinguish a missing library from a library that does not implement the
function.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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"And now for something completely different."